Cell Structure
Hierarchy of Living Things:
Prokaryotic Cells and Cell Structure
All cells are surrounded by a ______made of phospholipids and proteins.
Prokaryotic cells
• Do not have membrane bound organelles
• Only have ______, cell ______, ______(chromosomes) and flagella or cilia
Eukaryotic Cells and Cell Structure
Eukaryotic cells
· Have ______surrounded by membranes
· The ______if the most prominent organelle and controls the ______.
Cell (plasma) membrane- ______.
• Inside the plasma membrane, the nucleus is surrounded by ______.
• Plant cells have a ______ in addition to the plasma membrane.
Animal and plant cells have ______.
• Organelles- ______ functions within the cell.
Nucleus: ______functions of the cell.
· ______: DNA and proteins
· ______: Chromatin and ribosomal subunits, makes ribosomes
· ______: Double membrane with pores, protects the nucleus
Ribosomes: ______occurs at tiny organelles called ribosomes.
The endoplasmic reticulum (ER) is a system of membranous channels.
· Rough ER is studded with ______and is the site of ______and processing.
· Smooth ER ______and is the site of synthesis of ______and the ______into vesicles.
Golgi apparatus consists of a stack of curved sacs.
• ______proteins within the cell.
• Involved ______.
Lysosomes are vesicles produced by the Golgi apparatus.
• Involved in intracellular ______.
Vacuoles (large) membranous sacs in the ______that ______.
Chloroplast is found in ______.
• absorbs ______and stores the energy in ______.
Mitochondria are found in plant and animal cells.
• ______and produce ATP (______).
Cytoskeleton contains three types of elements responsible for ______:
• Actin filaments
• ______
• Intermediate filaments
Microtubules help ______of the cell and act as tracks along which ______.
Centrioles may be involved in ______and disassembly during ______and in the organization of ______.
Cilia (______) and flagella (______) have a 9 + 2 pattern of microtubules and are involved in ______.